BS PD IEC/TR 61282-15:2017 provides guidance for the testing of multi-fibre cable, multimode orsingle-mode, terminated with plugs described in IEC 61754-7 (all parts) (multiple-fibre pushon ? MPO). Guidance is provided on the measurement of attenuation, polarity, length andoptical return loss. The cabling can be installed in a variety of environments, includingresidential, commercial, industrial, and data centre premises, and possibly in outside plantenvironments.